Climatological Report (Daily)
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CDUS46 KSEW 240834
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
1234 AM PST FRI FEB 24 2017


...................................

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 23 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         44    250 PM  61    1983  51     -7       58
                                      1958
  MINIMUM         34    930 PM  27    2011  37     -3       34
  AVERAGE         39                        44     -5       46

PRECIPITATION (IN)
  YESTERDAY        0.01          1.16 1986   0.11  -0.10     0.00
  MONTH TO DATE    8.34                      2.88   5.46     4.74
  SINCE OCT 1     32.96                     23.85   9.11    36.58
  SINCE JAN 1     12.56                      8.45   4.11    12.19

SNOWFALL (IN)
  YESTERDAY        0.0           3.0  1956                   0.0
  MONTH TO DATE    7.1                                       0.0
  SINCE OCT 1     11.1                                        T
  SINCE JUL 1     11.1                                        T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       26                        21      5       19
  MONTH TO DATE  524                       501     23      409
  SINCE DEC 1   2190                      1967    223     1740
  SINCE JUL 1   3041                      3150   -109     2751

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   S (170)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     3.8


SKY COVER
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           500 AM
 LOWEST     70           300 PM
 AVERAGE    85

..........................................................


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   51        62      1949
 MINIMUM TEMPERATURE (F)   37        24      2011


SUNRISE AND SUNSET
FEBRUARY 24 2017......SUNRISE   658 AM PST   SUNSET   547 PM PST
FEBRUARY 25 2017......SUNRISE   656 AM PST   SUNSET   549 PM PST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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